﻿/*
Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.html or http://ckeditor.com/license
*/

(function()
{
	
	/*
	 * 	判断是否是flash元素在本控件中可以删除掉
	*/
	var flashFilenameRegex = /\.swf(?:$|\?)/i;
	function isFlashEmbed( element )
	{
		var attributes = element.attributes;

		return ( attributes.type == 'application/x-shockwave-flash' || flashFilenameRegex.test( attributes.src || '' ) );
	}
	/*
	 * 创建所见非所得的元素
	 * 创建代理元素 createFakeParserElement 
	 * 参见 http://docs.cksource.com/ckeditor_api/symbols/src/plugins_fakeobjects_plugin.js.html	 * 
	 * function( realElement, className, realElementType, isResizable )
	 */
	function createFakeElement( editor, realElement )
	{
		return editor.createFakeParserElement( realElement, 'cke_stabs', 'stabs', true );
	}

	CKEDITOR.plugins.add( 'spc',
	{
		/*
		 * 初始化插件
		 * editor.addCommand 
		 * Register the "stabs" command, which opens the "stabs" dialog.
		 */
		init : function( editor )
		{
			editor.addCommand( 'stabs', new CKEDITOR.dialogCommand( 'stabs' ) );
			editor.addMenuGroup('stabs'); 
			editor.ui.addButton( 'STabs',
				{
					label : editor.lang.spc.stabs.title,
					command : 'stabs',
					icon:this.path+"icon/tabs.png"
				});
				
			CKEDITOR.dialog.add( 'stabs', this.path + 'dialogs/stabs.js' );

			editor.addCss(
				'img.cke_stabs' +
				'{' +
					'background-image: url(' + CKEDITOR.getUrl( this.path + 'images/tabs.png' ) + ');' +
					'background-position: center center;' +
					'background-repeat: no-repeat;' +
					'border: 1px solid #a9a9a9;' +
					'width: 80px;' +
					'height: 80px;' +
				'}'
				);

			// If the "menu" plugin is loaded, register the menu items.
			//console.info(editor.lang);
			if ( editor.addMenuItems )
			{
				editor.addMenuItems(
					{
						stabs :
						{
							label : editor.lang.spc.stabs.properties,
							icon:this.path+"icon/tabs.png",
							command : 'stabs',
							group : 'stabs'
						}
					});
			}

			editor.on( 'doubleclick', function( evt )
				{
					var element = evt.data.element;

					if ( element.is( 'img' ) && element.data( 'cke-real-element-type' ) == 'stabs' )
						evt.data.dialog = 'stabs';
				});

			// If the "contextmenu" plugin is loaded, register the listeners.
			if ( editor.contextMenu )
			{
				editor.contextMenu.addListener( function( element, selection )
					{
						if ( element && element.is( 'img' ) && !element.isReadOnly()
								&& element.data( 'cke-real-element-type' ) == 'stabs' )							
							return { stabs : CKEDITOR.TRISTATE_OFF };
					});
			}
		},

		afterInit : function( editor )
		{
			/*If defined, points to the data processor which 
			 * is responsible to translate and transform the editor data on input and output. 
			 * Generaly it will point to an instance of CKEDITOR.htmlDataProcessor, 
			 * which handles HTML data.
			 * The editor may also handle other data formats by using different data processors provided by specific plugins. 
			 * 数据处理器，处理编辑器和提交表单赋值过程的各个数据状态
			 * addRules ：增加数据过滤的规则
			 * 
			 */
			var dataProcessor = editor.dataProcessor,
				dataFilter = dataProcessor && dataProcessor.dataFilter;

			if ( dataFilter )
			{
				dataFilter.addRules(
					{
						elements :
						{
							'cke:object1' : function( element )
							{
								var attributes = element.attributes,
									classId = attributes.classid && String( attributes.classid ).toLowerCase();
								/*
								 * 判断是否符合标签描述的内容
								 * 如果符合就创建createFakeElement元素
								 */
								if ( !classId && !isFlashEmbed( element ) )
								{
									// Look for the inner <embed>
									for ( var i = 0 ; i < element.children.length ; i++ )
									{
										if ( element.children[ i ].name == 'cke:embed' )
										{
											if ( !isFlashEmbed( element.children[ i ] ) )
												return null;

											return createFakeElement( editor, element );
										}
									}
									return null;
								}

								return createFakeElement( editor, element );
							},

							'cke:embed' : function( element )
							{
								if ( !isFlashEmbed( element ) )
									return null;

								return createFakeElement( editor, element );
							}
						}
					},
					5);
			}
		},

		requires : [ 'fakeobjects' ],
		
		lang : ['en','zh-cn']
	});
})();

CKEDITOR.tools.extend( CKEDITOR.config,
{
	/**
	 * Save as EMBED tag only. This tag is unrecommended.
	 * @type Boolean
	 * @default false
	 */
	flashEmbedTagOnly : false,

	/**
	 * Add EMBED tag as alternative: &lt;object&gt&lt;embed&gt&lt;/embed&gt&lt;/object&gt
	 * @type Boolean
	 * @default false
	 */
	flashAddEmbedTag : true,

	/**
	 * Use embedTagOnly and addEmbedTag values on edit.
	 * @type Boolean
	 * @default false
	 */
	flashConvertOnEdit : false
} );
